120102012000 has 144 divisors (see below), whose sum is σ = 426242168352. Its totient is φ = 32027193600.

The previous prime is 120102011983. The next prime is 120102012061. The reversal of 120102012000 is 210201021.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1632084 + ... + 1704083.

It is an arithmetic number, because the mean of its divisors is an integer number (2960015058).

Almost surely, 2^120102012000 is an apocalyptic number.

120102012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102012000 is an abundant number, since it is smaller than the sum of its proper divisors (306140156352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120102012000 is a wasteful number, since it uses less digits than its factorization.

120102012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336198 (or 3336177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120102012000 its reverse (210201021), we get a palindrome (120312213021).

The spelling of 120102012000 in words is "one hundred twenty billion, one hundred two million, twelve thousand".